package com.sky.controller.admin;


import com.sky.constant.MessageConstant;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@Slf4j
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);
        //清理缓存数据
        String key = "dish:dish_" + dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }


    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询：{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }


    /**
     * 菜品批量删除
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam List<Long> ids){
        log.info("批量删除菜品：{}", ids);
        dishService.deleteBacth(ids);
        //清理所有缓存数据
        cleanCache("dish:dish_*");
        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品：{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);

        return Result.success(dishVO);

    }

    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}", dishDTO);
        dishService.updateWithFlavor(dishDTO);
        //清理所有缓存数据
        cleanCache("dish:dish_*");

        return Result.success();
    }

    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售、停售")
    public Result startOrStop(@PathVariable Integer status, Long id){
        log.info("菜品起售、停售，菜品id：{}",id);
        Dish dish = new Dish();
        dish.setId(id);
        dish.setStatus(status);
        dishService.updateStatus(dish);
        //清理所有缓存数据
        cleanCache("dish:dish_*");
        return Result.success("商品状态修改成功");
    }




    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("查询指定分类下的菜品")
    public Result<List<Dish>> list(Long categoryId){
        log.info("查询分类下的菜品：{}", categoryId);
        List<Dish> list = dishService.list(categoryId);
        if (list == null){
            return Result.error("未查询到该分类下的菜品");
        }
        return Result.success(list);
    }


    private void cleanCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

}
